In the walk by the side of the river Isarco, in Bolzano, a wind rose shows the distance fr...
One of the ten signposts of the MIC project "Maths in the city". . This one is placed on t...
In the walk by the side of the river Isarco, in Bolzano, a wind rose shows the distance fr...
A tiling of the sphere with 16 spherical triangles with angles 45° (= 180°/4), 90°, 90Â...
A tiling of the sphere with 120 spherical triangles with angles 36°, 60°, 90°. The grea...
A tiling of the sphere with 24 spherical triangles with angles 60°, 60°, 90°. The great...
A tiling of the sphere with 48 spherical triangles with angles 45°, 60°, 90°. The great...
Al porto di Genova, meridiani e paralleli sulla sfera in vetro e acciaio situata in mare a...
A spherical triangle with angles 90°, 60°, 45°.
